Patents by Inventor Nemai Karmakar

Nemai Karmakar has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • RFID READER AND TRANSPONDERS
    Publication number: 20150310327
    Abstract: A passive and chipless RFID transponder comprising: a substrate; and at least one planar patch on the substrate, the patch including a slot resonator of with radial conductive strips disposed at points around the slot resonator.
    Type: Application
    Filed: December 4, 2013
    Publication date: October 29, 2015
    Inventors: Nemai Karmakar, Md Aminul Islam, Yixian Yap, Akm Azad, Klaus Lorentschitsch
  • RFID AND APPARATUS AND METHODS THEREFOR
    Publication number: 20140354414
    Abstract: A method of reading an RFID tag (30) including receiving, from the tag, a signal (50) including a structural mode (54) and an antenna mode (56), and selectively analysing a time period of the received signal corresponding to the antenna mode.
    Type: Application
    Filed: December 7, 2012
    Publication date: December 4, 2014
    Inventors: Nemai Karmakar, Prasanna Kalansuriya